package com.iyunsir.common.interceptor;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@Slf4j
@Component

public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {



        // 获取session, 判断session用户信息是否存在

        Object user = request.getSession().getAttribute("userInfo");
        if (user == null){
             // 未登录

            log.debug("未登录请求" + request.getRequestURI());
            response.sendRedirect(request.getContextPath()+"/login");
            return false;
        }
        log.debug("放行请求" + request.getRequestURI());
        return true;

    }
}
